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Date:      Sun, 19 Aug 2007 13:53:39 +0400
From:      Andrey Chernov <ache@nagual.pp.ru>
To:        Ken Yamada <ken@tydfam.jp>
Cc:        glewis@eyesbeyond.com, anrays@gmail.com, lists_freebsd_org@07.antispam.web-wahnsinn.de, freebsd-current@FreeBSD.ORG, freebsd-java@FreeBSD.ORG
Subject:   Re: Gcc bugs break java/jdk15 build? [Workaround]
Message-ID:  <20070819095339.GA79882@nagual.pp.ru>
In-Reply-To: <20070819.120136.41629169.ken@tydfam.jp>
References:  <20070815144804.GC5151@misty.eyesbeyond.com> <20070818.213208.74754361.ken@tydfam.jp> <864piweemc.fsf@santinel.home.ua> <20070819.120136.41629169.ken@tydfam.jp>

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On Sun, Aug 19, 2007 at 12:01:36PM +0900, Ken Yamada wrote:
>   Does this mean that GCC 4.2.1 does not solve "loop optimization bug" pointed out by Andrey Chernov (http://docs.freebsd.org/cgi/getmsg.cgi?fetch=282888+0+archive/2007/freebsd-current/20070701.freebsd-current) on 4.2.0?

That bug is fixed, but it doesn't mean that no other tree-vrp bugs left.

>   Is it a good idea of adding -fno-tree-vrp to CFLAGS in /etc/make.conf to avoid this optimization bug for all compilation?  (BTW, I leave -O3 of CFLAGS as is in make.conf and just added -fno-tree-vrp to the end of the line.)

It is good idea to extract minimal bug code sample and submit it to gcc 
bugzilla.

-- 
http://ache.pp.ru/



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